Geodesic
Jedna teorema u vezi oštrouglog trougla i njena primjena
Nastava matematike, LXIII (2018) no. 3-4, p. 89 .

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

A simple identity in an acute-angled triangle is proved and it is then obtained to derive some inequalities, including Euler's inequality for radii of inscribed and cirumscribed circles of the given triangle.
Classification : 97G40 G44
Keywords: Orthocenter, Euler's inequality. 
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     author = {\v{S}efket Arslanagi\'c},
     title = {Jedna teorema u vezi o\v{s}trouglog trougla i njena primjena},
     journal = {Nastava matematike},
     pages = {89 },
     publisher = {mathdoc},
     volume = {LXIII},
     number = {3-4},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NM_2018_LXIII_3-4_a3/}
}
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Šefket Arslanagić. Jedna teorema u vezi oštrouglog trougla i njena primjena. Nastava matematike, LXIII (2018) no. 3-4, p. 89 . http://geodesic.mathdoc.fr/item/NM_2018_LXIII_3-4_a3/